On deactivating any class green message is popping up with error message written on it, if we can't de-activate class then there should be red error message. Also class should be delete-able. On deleting a class it's associated sections should also get deleted.
On deactivating any class green message is popping up with error message written on it, if we can't de-activate class then there should be red error message. Also class should be delete-able. On deleting a class it's associated sections should also get deleted.